YT15CEX YT15C info Material: Brass Key length (A): 61.250mm Bit thickness (F): 2.250mm Blade length (G): 28.300mm Blade width (H): 9.100mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
RO30 RO30 info Material: Steel Original producer: RONIS (FR) Stem diameter (B): 1.950mm Key length (A): 42.700mm Blade length (G): 17.600mm Blade width (H): 6.500mm